Synonym(s): LHMDS, Lithium hexamethyldisilazide
Formula: C6H18LiNSi2
Formula weight: 167.33
CAS Number: 4039-32-1
UN Number: UN2924
Hazard Class: 3
Packing Group: II
Harmonized Tariff Code: 2931.90
Hazard Statements: H225-H314-H351-H335
Highly flammable liquid and vapour. Causes severe skin burns and eye damage. Suspected of causing cancer. May cause respiratory irritation.
Precautionary Statements: P210-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Risk Phrases: 11-14-19-34-37-40
Flammable. Reacts violently with water. May form explosive peroxides. Causes burns. Irritating to respiratory system. Possible risk of irreversible effects.
Safety Phrases: 7/8-9-16-20-23-25-26-30-33-36/37/39-43-45
Keep container tightly closed and dry. Keep container in a well ventilated place. Keep away from sources of ignition - No Smoking. When using do not eat or drink. Avoid contact with eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Never add water to this product. Take precautionary measures against static discharges. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Form: Colorless to yellow liquid
Density: 0.891
Flash point: -17°(1°F)
EINECS: 223-725-6
MDL: MFCD00008261
Beilstein: 8136861